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andre [41]
3 years ago
10

Please help me! thanks

Mathematics
2 answers:
VLD [36.1K]3 years ago
5 0
Ur answer should be 100km/h! hope this helped, and lmk if i made an error !
Stella [2.4K]3 years ago
4 0
A) 45 mins

each big square represents 15 mins

b) 100km/h

speed= distance/time so it would be 50km/0.5h= 100km/h


Hope this helps! :)
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The graph below shows the cost of pens based on the number of pens in a pack. What would be the cost of one pen
worty [1.4K]

Answer:

$1.25

Step-by-step explanation:

The graph shows that 3 pens cost $3.75 which means each pen costs more than $1 so we know that the greater number will be the numerator in our division equation. Divide 3.75 by 3 to get the unit rate.

3.75/3=1.25

Each pen costs 1.25

You can check your work by plugging it into the other points.

6*1.25=7.5 -So that second point is correct

9*1.25=11.25- The third point is also correct meaning we got the right answer

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Which is true about the completely simplified difference of the polynomials a3b 9a2b2 − 4ab5 and a3b − 3a2b2 ab5?.
PtichkaEL [24]

The simplified difference of the polynomials (a³b+9a²b²-4ab⁵) and (a³b-3a²b²+ab⁵) is (12a²b²-5ab⁵).

<h3>What are Like terms?</h3>

Like terms are those terms that are having the same variables, also the variables are of the same order as well.

for example, 25x and 5x are like terms; 30xy and 7xy are like terms, 9x³ and 4x² are not like terms, etc.

Let's simplify the two of the given polynomials, therefore, find the difference between the two given polynomials.

a^3b+9a^2b^2 - 4ab^5 - (a^3b - 3a^2b^2+ab^5)\\\\= a^3b+9a^2b^2 - 4ab^5 - a^3b + 3a^2b^2-ab^5\\\\\text{Bring Like terms together}\\\\=a^3b - a^3b+9a^2b^2+3a^2b^2 -4ab^5-ab^5\\\\= 12a^2b^2-5ab^5

Hence, the simplified difference of the polynomials (a³b+9a²b²-4ab⁵) and (a³b-3a²b²+ab⁵) is (12a²b²-5ab⁵).

Learn more about Like Terms:

brainly.com/question/2513478

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2 years ago
Please help with this math problem ASAP!! Will mark brainliest! :)
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I think it’s 5 because I think it’s 6
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